Section 51 . . . is hereby amended . . . Any person traveling in any manner in any part of this state off the public highway, outside the immediate bounds of the inhabited parts of any village, town or city in possession of any kind of a shot gun, with or without a dog or dogs commonly used or kept for the purposes of hunting any game birds mentioned in this Act, from the first day of July to the fifteenth day of September (both inclusive) each year, shall be presumed to have violated or attempted to so violate the provisions of this Act as to unlawful hunting, shooting or taking of game birds, as mentioned in this Act, the hunting, taking, or shooting of which is prohibited during said time.